Update mailparse to 0.16

Author: musicinmybrain

Cargo.toml

@@ -15,7 +15,7 @@ repository = "https://github.com/PyO3/python-pkginfo-rs"
 bzip2 = { version = "0.4.4", optional = true }
 flate2 = "1.0.33"
 fs-err = "3.0.0"
-mailparse = "0.15"
+mailparse = "0.16"
 rfc2047-decoder = "1.0.6"
 serde = { version = "1.0.210", features = ["derive"], optional = true }
 tar = "0.4.41"